L6932D2.5

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L6932D2.5 is a member of STMicroelectronics\' highly efficient linear voltage regulators. Its slim 2mm x 2mm package and very low operating current make it ideal for various industrial and automotive applications. This voltage regulator has an adjustable output voltage from 0.5 V to 5 V and is able to supply up to 300mA continuous current. It employs a reverse current protection circuit to protect the system, an over-temperature protection circuit to protect the power MOSFETS, and an on/off circuit to control the output voltage.

The key application field of the L6932D2.5 is the industrial and automotive sector. It is ideal for powering microcontrollers and other low-power components in applications like power supplies, motor controls and factory automation. Automotive applications include semiconductor door locks, dashboard displays, automotive navigation systems and car radios.

The working principle of the L6932D2.5 voltage regulator is based on two stages: a buck-boost stage and a low-dropout (LDO) stage. The buck-boost stage is used for stabilizing the input voltage and for supplying current to the LDO stage. The LDO stage employs a P-channel MOSFET and controls the output voltage. It operates in either linear or pulse-width modulation mode, depending on the current demand. The main advantage of this voltage regulator is that it can efficiently convert the input voltage, be it greater or smaller than the output voltage, into the desired output voltage.

The L6932D2.5 also features a very low dropout voltage of 0.2V. This feature allows it to maintain a constant output voltage without consuming too much power. It also has an adjustable soft-start feature that helps in reducing the inrush current when turning on the power supply or when charging the battery. The soft-start helps in limiting the transient peak current and ensures that the circuit is not damaged by the inrush current.

In conclusion, the L6932D2.5 is a very efficient and highly reliable voltage regulator. Its small size and low power consumption make it suitable for a wide range of industrial and automotive applications. Its adjustable output voltage and very low dropout voltage make it a great choice for various low power applications. Moreover, its adjustable soft-start feature makes it a great choice for charging lithium-ion batteries.

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